The crust of present-day Earth is only about ten percent igneous or metamorphic igneous rock.
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Q45: Major crustal movements build mountains and deform
Q46: Bioclastic sediment consists of:
A) broken shell fragments
Q47: Rocks are permanent over geologic time.
Q48: Basalt is mineralogically identical to gabbro.
Q49: Contact metamorphism commonly causes deformation.
Q51: The crystals in granite cannot be seen
Q52: Regional dynamothermal metamorphism refers to metamorphism:
A) where
Q53: The most common cements in sedimentary rocks
Q54: Volcanic rock forms when magma solidifies within
Q55: Hydrothermal solutions scavenge and concentrate metals from
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